On 14.09.2018 10:25, Qu Wenruo wrote:
> When pread64() returns value smaller than expected, it normally means
> EIO, so just return -EIO to replace the intermediate number.
> So when IO fails, we should be able to get more meaningful error number
> of than EPERM.
>
> Signed-off-by: Qu Wenruo <w...@suse.com>
Reviewed-by: Nikolay Borisov <nbori...@suse.com>
> ---
> convert/source-fs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/convert/source-fs.c b/convert/source-fs.c
> index b6d08370428a..5660a22cc652 100644
> --- a/convert/source-fs.c
> +++ b/convert/source-fs.c
> @@ -201,7 +201,7 @@ int read_disk_extent(struct btrfs_root *root, u64 bytenr,
> ret = 0;
> fail:
> if (ret > 0)
> - ret = -1;
> + ret = -EIO;
> return ret;
> }
>
>
